Immune System, Bacteria and Viruses Crossword

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Across
  1. 2. Y-shaped proteins made by B-cells that recognizes parts of a pathogen, bind to them, and mark them for destruction
  2. 4. destroy infected cells that have been tagged by B cells
  3. 8. characterized by redness, swelling, soreness, and warmth
  4. 9. rod-shaped bacteria
  5. 12. a virus structure that is shaped like a long tube
  6. 13. a molecule that binds to a cell receptor
  7. 16. a virus structure that is a 3-dimensional, many-sided structure
  8. 18. the process of building new virus particles from the proteins and genetic material
  9. 19. chemicals on the surface of the pathogen then trigger the specific response
  10. 20. remain after an infection to allow a quick antibody response if the same pathogen is encountered again
Down
  1. 1. cells that defend against parasites
  2. 3. takes antigens from the surface of pathogens and presents the antigens to B cells
  3. 5. a small abdominal organ that is part of the immune system
  4. 6. small immune system organs found in the back of the mouth
  5. 7. a virus particle
  6. 10. spherical-shaped bacteris
  7. 11. what the oil on your skin is called
  8. 13. an enzyme in tears, sweat, and saliva acts as a natural antibiotic
  9. 14. tag the pathogen with antibodies
  10. 15. the process of breaking down the viral capsid by enzymes from the virus or the host
  11. 17. releases histamines to inhitiate inflammation at an injury or infection